<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="jumbotron">
    <h1>蒋</h1>
    <h1>乐</h1>
    <h1>琦</h1>
    <p>...</p>
    <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>
</div>
</body>
</html>